Star200+

Skill comparison

Compare agent skills before installing.

Put high-signal skills side by side and inspect quality, adoption, freshness, install readiness, use-case fit, and warnings in one place.

Comparing 4 skills

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Decision summary

React Email is the strongest overall pick here because it has a 100/100 readiness score and fits Workflow automation.

Strongest overall

React Email

Use this as a leading candidate, then validate the README and install path in your own agent stack.

Fastest prototype

React Email

Best first install candidate based on install readiness and adoption.

Freshest repo

Mailspring

Most recent maintenance signal among this shortlist.

SignalRust Imap

IMAP client library for Rust

Mailspring

:love_letter: A beautiful, fast and fully open source mail client for Mac, Windows and Linux.

React Email

💌 Build and send emails using React

Mjml

MJML: the only framework that makes responsive-email easy

Quality
79/100
Strong
100/100
Excellent
100/100
Excellent
100/100
Excellent
Decision verdict
90/100
Production-ready

Use this as a leading candidate, then validate the README and install path in your own agent stack.

100/100
Production-ready

Use this as a leading candidate, then validate the README and install path in your own agent stack.

100/100
Production-ready

Use this as a leading candidate, then validate the README and install path in your own agent stack.

100/100
Production-ready

Use this as a leading candidate, then validate the README and install path in your own agent stack.

Adoption575 stars
Verified outcomes are shown on each skill page
18K stars
Verified outcomes are shown on each skill page
19K stars
Verified outcomes are shown on each skill page
18K stars
Verified outcomes are shown on each skill page
FreshnessJun 8, 2026Jun 15, 2026Jun 12, 2026Jun 12, 2026
Use-case fit
Workflow automationCoding agentsRAG and knowledge
Workflow automationCoding agentsRAG and knowledge
Workflow automationCoding agentsRAG and knowledge
Workflow automationCoding agentsRAG and knowledge
Workflow fit
Content growth agentCoding review agent
Content growth agentCoding review agent
Content growth agentCoding review agent
Content growth agentCoding review agent
Platform hintsRust, Email, Claude CodeJavaScript, Email, Claude CodeTypeScript, Email, Claude CodeJavaScript, Email, Claude Code
WarningsNo OpenAgentSkill engagement data yetNo OpenAgentSkill engagement data yetNo OpenAgentSkill engagement data yetNo OpenAgentSkill engagement data yet
Best forWorkflow automation workflows · Claude Code teams · teams that value GitHub adoption signalsWorkflow automation workflows · Claude Code teams · teams that value GitHub adoption signalsWorkflow automation workflows · Claude Code teams · teams that value GitHub adoption signalsWorkflow automation workflows · Claude Code teams · teams that value GitHub adoption signals
Not ideal forteams that need a vendor-supported SLA · high-compliance environments without internal security reviewteams that need a vendor-supported SLA · high-compliance environments without internal security reviewteams that need a vendor-supported SLA · high-compliance environments without internal security reviewteams that need a vendor-supported SLA · high-compliance environments without internal security review
OpenAgentSkill engagement0 views
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Install
$ npx skills add jonhoo/rust-imap
$ npx skills add Foundry376/Mailspring
$ npx skills add resend/react-email
$ npx skills add mjmlio/mjml